diff options
Diffstat (limited to 'host/examples')
-rw-r--r-- | host/examples/ascii_art_dft.hpp | 2 | ||||
-rw-r--r-- | host/examples/test_async_messages.cpp | 104 | ||||
-rw-r--r-- | host/examples/tx_from_file.cpp | 125 |
3 files changed, 205 insertions, 26 deletions
diff --git a/host/examples/ascii_art_dft.hpp b/host/examples/ascii_art_dft.hpp index 92fb77596..ee2267c2d 100644 --- a/host/examples/ascii_art_dft.hpp +++ b/host/examples/ascii_art_dft.hpp @@ -28,7 +28,7 @@ namespace acsii_art_dft{ ); /*! - * Convert a DFT to a printable ascii plot. + * Convert a DFT to a piroundable ascii plot. * \param dft the log power dft bins * \param width the frame width in characters * \param height the frame height in characters diff --git a/host/examples/test_async_messages.cpp b/host/examples/test_async_messages.cpp index e4a996ef5..b1d9d56d4 100644 --- a/host/examples/test_async_messages.cpp +++ b/host/examples/test_async_messages.cpp @@ -19,21 +19,25 @@ #include <uhd/utils/safe_main.hpp> #include <uhd/utils/static.hpp> #include <uhd/usrp/single_usrp.hpp> +#include <boost/assign/list_of.hpp> #include <boost/program_options.hpp> +#include <boost/foreach.hpp> +#include <boost/bind.hpp> #include <boost/format.hpp> +#include <cstdlib> #include <complex> #include <iostream> namespace po = boost::program_options; /*! - * Test that no messages are received: + * Test the burst ack message: * Send a burst of many samples that will fragment internally. - * We expect to not get any async messages. + * We expect to get an burst ack async message. */ -void test_no_async_message(uhd::usrp::single_usrp::sptr sdev){ +bool test_burst_ack_message(uhd::usrp::single_usrp::sptr sdev){ uhd::device::sptr dev = sdev->get_device(); - std::cout << "Test no async message... " << std::flush; + std::cout << "Test burst ack message... " << std::flush; uhd::tx_metadata_t md; md.start_of_burst = true; @@ -50,19 +54,28 @@ void test_no_async_message(uhd::usrp::single_usrp::sptr sdev){ ); uhd::async_metadata_t async_md; - if (dev->recv_async_msg(async_md)){ + if (not dev->recv_async_msg(async_md)){ std::cout << boost::format( "failed:\n" - " Got unexpected event code 0x%x.\n" - ) % async_md.event_code << std::endl; - //clear the async messages - while (dev->recv_async_msg(async_md, 0)){}; + " Async message recv timed out.\n" + ) << std::endl; + return false; } - else{ + + switch(async_md.event_code){ + case uhd::async_metadata_t::EVENT_CODE_BURST_ACK: std::cout << boost::format( "success:\n" - " Did not get an async message.\n" + " Got event code burst ack message.\n" ) << std::endl; + return true; + + default: + std::cout << boost::format( + "failed:\n" + " Got unexpected event code 0x%x.\n" + ) % async_md.event_code << std::endl; + return false; } } @@ -71,7 +84,7 @@ void test_no_async_message(uhd::usrp::single_usrp::sptr sdev){ * Send a start of burst packet with no following end of burst. * We expect to get an underflow(within a burst) async message. */ -void test_underflow_message(uhd::usrp::single_usrp::sptr sdev){ +bool test_underflow_message(uhd::usrp::single_usrp::sptr sdev){ uhd::device::sptr dev = sdev->get_device(); std::cout << "Test underflow message... " << std::flush; @@ -80,18 +93,19 @@ void test_underflow_message(uhd::usrp::single_usrp::sptr sdev){ md.end_of_burst = false; md.has_time_spec = false; - dev->send(NULL, 0, md, + dev->send( + NULL, 0, md, uhd::io_type_t::COMPLEX_FLOAT32, uhd::device::SEND_MODE_FULL_BUFF ); uhd::async_metadata_t async_md; - if (not dev->recv_async_msg(async_md)){ + if (not dev->recv_async_msg(async_md, 1)){ std::cout << boost::format( "failed:\n" " Async message recv timed out.\n" ) << std::endl; - return; + return false; } switch(async_md.event_code){ @@ -100,13 +114,14 @@ void test_underflow_message(uhd::usrp::single_usrp::sptr sdev){ "success:\n" " Got event code underflow message.\n" ) << std::endl; - break; + return true; default: std::cout << boost::format( "failed:\n" " Got unexpected event code 0x%x.\n" ) % async_md.event_code << std::endl; + return false; } } @@ -115,7 +130,7 @@ void test_underflow_message(uhd::usrp::single_usrp::sptr sdev){ * Send a burst packet that occurs at a time in the past. * We expect to get a time error async message. */ -void test_time_error_message(uhd::usrp::single_usrp::sptr sdev){ +bool test_time_error_message(uhd::usrp::single_usrp::sptr sdev){ uhd::device::sptr dev = sdev->get_device(); std::cout << "Test time error message... " << std::flush; @@ -127,7 +142,8 @@ void test_time_error_message(uhd::usrp::single_usrp::sptr sdev){ sdev->set_time_now(uhd::time_spec_t(200.0)); //time at 200s - dev->send(NULL, 0, md, + dev->send( + NULL, 0, md, uhd::io_type_t::COMPLEX_FLOAT32, uhd::device::SEND_MODE_FULL_BUFF ); @@ -138,7 +154,7 @@ void test_time_error_message(uhd::usrp::single_usrp::sptr sdev){ "failed:\n" " Async message recv timed out.\n" ) << std::endl; - return; + return false; } switch(async_md.event_code){ @@ -147,29 +163,38 @@ void test_time_error_message(uhd::usrp::single_usrp::sptr sdev){ "success:\n" " Got event code time error message.\n" ) << std::endl; - break; + return true; default: std::cout << boost::format( "failed:\n" " Got unexpected event code 0x%x.\n" ) % async_md.event_code << std::endl; + return false; } } +void flush_async_md(uhd::usrp::single_usrp::sptr sdev){ + uhd::device::sptr dev = sdev->get_device(); + uhd::async_metadata_t async_md; + while (dev->recv_async_msg(async_md, 1.0)){} +} + int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::set_thread_priority_safe(); //variables to be set by po std::string args; double rate; + size_t ntests; //setup the program options po::options_description desc("Allowed options"); desc.add_options() ("help", "help message") - ("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args") - ("rate", po::value<double>(&rate)->default_value(1.5e6), "rate of outgoing samples") + ("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args") + ("rate", po::value<double>(&rate)->default_value(1.5e6), "rate of outgoing samples") + ("ntests", po::value<size_t>(&ntests)->default_value(10), "number of tests to run") ; po::variables_map vm; po::store(po::parse_command_line(argc, argv, desc), vm); @@ -195,9 +220,38 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //------------------------------------------------------------------ // begin asyc messages test //------------------------------------------------------------------ - test_no_async_message(sdev); - test_underflow_message(sdev); - test_time_error_message(sdev); + static const uhd::dict<std::string, boost::function<bool(uhd::usrp::single_usrp::sptr)> > + tests = boost::assign::map_list_of + ("Test Burst ACK ", &test_burst_ack_message) + ("Test Underflow ", &test_underflow_message) + ("Test Time Error", &test_time_error_message) + ; + + //init result counts + uhd::dict<std::string, size_t> failures, successes; + BOOST_FOREACH(const std::string &key, tests.keys()){ + failures[key] = 0; + successes[key] = 0; + } + + //run the tests, pick at random + for (size_t n = 0; n < ntests; n++){ + std::string key = tests.keys()[std::rand() % tests.size()]; + bool pass = tests[key](sdev); + flush_async_md(sdev); + + //store result + if (pass) successes[key]++; + else failures[key]++; + } + + //print the result summary + std::cout << std::endl << "Summary:" << std::endl << std::endl; + BOOST_FOREACH(const std::string &key, tests.keys()){ + std::cout << boost::format( + "%s -> %3d successes, %3d failures" + ) % key % successes[key] % failures[key] << std::endl; + } //finished std::cout << std::endl << "Done!" << std::endl << std::endl; diff --git a/host/examples/tx_from_file.cpp b/host/examples/tx_from_file.cpp new file mode 100644 index 000000000..9611cf47c --- /dev/null +++ b/host/examples/tx_from_file.cpp @@ -0,0 +1,125 @@ +// +// Copyright 2010 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// + +#include <uhd/utils/thread_priority.hpp> +#include <uhd/utils/safe_main.hpp> +#include <uhd/usrp/simple_usrp.hpp> +#include <boost/program_options.hpp> +#include <boost/format.hpp> +#include <iostream> +#include <complex> +#include <fstream> + +namespace po = boost::program_options; + +int UHD_SAFE_MAIN(int argc, char *argv[]){ + uhd::set_thread_priority_safe(); + + //variables to be set by po + std::string args; + time_t seconds_in_future; + size_t total_num_samps; + size_t samps_per_packet; + double tx_rate, freq; + float ampl; + float tx_gain; + + //setup the program options + po::options_description desc("Allowed options"); + desc.add_options() + ("help", "help message") + ("args", po::value<std::string>(&args)->default_value(""), "simple uhd device address args") + ("secs", po::value<time_t>(&seconds_in_future)->default_value(3), "number of seconds in the future to transmit") + ("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to transmit") + ("txrate", po::value<double>(&tx_rate)->default_value(100e6/16), "rate of outgoing samples") + ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz") + ("ampl", po::value<float>(&l)->default_value(float(0.3)), "amplitude of each sample") + ("gain", po::value<float>(&tx_gain)->default_value(float(0)), "amplitude of each sample") + ("dilv", "specify to disable inner-loop verbose") + ; + po::variables_map vm; + po::store(po::parse_command_line(argc, argv, desc), vm); + po::notify(vm); + + //print the help message + if (vm.count("help")){ + std::cout << boost::format("UHD TX Timed Samples %s") % desc << std::endl; + return ~0; + } + + bool verbose = vm.count("dilv") == 0; + + //create a usrp device + std::cout << std::endl; + std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl; + uhd::usrp::simple_usrp::sptr sdev = uhd::usrp::simple_usrp::make(args); + uhd::device::sptr dev = sdev->get_device(); + std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl; + + //set properties on the device + std::cout << boost::format("Setting TX Rate: %f Msps...") % (tx_rate/1e6) << std::endl; + sdev->set_tx_rate(tx_rate); + std::cout << boost::format("Actual TX Rate: %f Msps...") % (sdev->get_tx_rate()/1e6) << std::endl; + std::cout << boost::format("Setting device timestamp to 0...") << std::endl; + sdev->set_tx_freq(freq); + sdev->set_time_now(uhd::time_spec_t(0.0)); + + sdev->set_tx_gain(tx_gain); + + //allocate data to send + std::vector<std::complex<short> > buff; + uhd::tx_metadata_t md; + + std::cout << "Read data to send from file: in.dat" << std::endl; + std::ifstream infile("in.dat", std::ifstream::binary); + while (!infile.eof()) { + std::complex<short> c; + infile.read((char *)&c, sizeof(std::complex<short>)); + if (!((c.real() == 0) && (c.imag() == 0))) { + buff.push_back(c); +//std::cout << "C = " << c << std::endl; + } + } + samps_per_packet = buff.size(); + infile.close(); + std::cout << "Number of samples in file: " << samps_per_packet << std::endl; + + //send the data in multiple packets + size_t num_packets = (total_num_samps+samps_per_packet-1)/samps_per_packet; + for (size_t i = 0; i < num_packets; i++){ + //setup the metadata flags and time spec + md.start_of_burst = true; //always SOB (good for continuous streaming) + md.end_of_burst = (i == num_packets-1); //only last packet has EOB + md.has_time_spec = (i == 0); //only first packet has time + md.time_spec = uhd::time_spec_t(seconds_in_future); + + size_t samps_to_send = std::min(total_num_samps - samps_per_packet*i, samps_per_packet); + + //send the entire packet (driver fragments internally) + size_t num_tx_samps = dev->send( + &buff.front(), samps_to_send, md, + uhd::io_type_t::COMPLEX_INT16, + uhd::device::SEND_MODE_FULL_BUFF + ); + if(verbose) std::cout << std::endl << boost::format("Sent %d samples") % num_tx_samps << std::endl; + } + + //finished + std::cout << std::endl << "Done!" << std::endl << std::endl; + + return 0; +} |